Tag: "interacting" at biology news

A unique arrangement for egg cell division

...entre. There, the around 80 individual MTOCs start interacting in a tug-of-war of pulling and pushing each other. This ultimately leads to a self-organized spindle with two poles in which all chromosomes are accurately aligned for the subsequent chromosome elimination. Assembling a spindle from so many centres t...

New proteomics research promises to revolutionize biomedical discovery

... initial guess of the scientists was that proteins interacting together are likely to be partners in the same bio...d on their association. To confirm that physically interacting proteins are also functionally related, the researchers have selected a number of the previously unc...

Gene identified for Crohn's disease in children

...use Crohns disease is complex, with multiple genes interacting with each other and with environmental factors, its important to sort out specific genes and to replicate previous findings, said the studys first author, Robert N. Baldassano, M.D., director of the Center for Pediatric Inflammatory Bowel Disease at ...

Major breakthrough in understanding how HIV interferes with infected cell division

... replication. The way Vpr exerts this effect is by interacting with cellular proteins that control cell division. Dr. Cohen and his team have identified a novel cellular protein complex targeted by HIV-1 Vpr to stop infected cell division. This protein complex, designated DDB1-CUL4-VprBP, is involved in a pr...

How plants learned to respond to changing environments

...(flowering plants) 300 million years ago are these interacting proteins able to repress growth. This group of plants became the most dominant, and make up the majority of plant species we see today. Evolution of this growth control mechanism appears to have happened in a series of steps, which this study is a...

Sea anemone genome provides new view of our multi-celled ancestors

...y, the sea anemone has all the basic mechanisms of interacting with the outside world seen in more morphologically complex creatures," Putnam said. Rokhsar looks forward to comparing the sea anemone genome with the genomes of other animals and their relatives - sponges, placozoans and choanoflagellates - to le...

Bright future for nano-sized light source

...ving cell, visualizing the cell while mechanically interacting with it, Liphardt said. Yang and Liphardt were among the co-authors of a paper that is featured on the cover of the June 28, 2007 edition of the journal /Nature./ The paper is entitled: Tunable Nanowire Nonlinear Optical Probe. Other authors of the...

Potent possibilities for parasite attack

...team to suspect they include key genes involved in interacting with the human host - where the battle between parasite and patient is fought and where rapid response is important to both. Remarkably, L. braziliensis, the most ancient Leishmania species sequenced, contains genes that could provide a working pat...

Small, self-controlled planes combine plant pathology and engineering

...icroorganisms have novel biochemical processes for interacting with each other as a community of organisms in the atmosphere. He explained, We know that microbes mediate important biochemical processes in the soil and the ocean. It is not so farfetched that a similar drama unfolds in the atmosphere, which we alr...

Undergraduate research shows leaderless honeybee organizing

...stand where we could actually see how workers were interacting with queens inside a swarm cluster, where they are... time to go to become airborne. Then they started interacting with her at very high rates, and performing the worker piping signal on her. This interaction is a b...

University of Manchester researchers reveal clues to new genes behind rheumatoid arthritis

...plex, involving both 'nature' and 'nurture', genes interacting with our environment and lifestyles. By identifying the genes underlying these conditions, our study should enable scientists to understand better how disease occurs, which people are most at risk and, in time, to produce more effective, more persona...

Largest ever study of genetics of common diseases published today

...y complex, part 'nature' and 'nurture', with genes interacting with our environment and lifestyles," says Professor Peter Donnelly, Chair of the Consortium, who is based at the University of Oxford. "By identifying the genes underlying these conditions, our study should enable scientists to understand better how...

Genomic signatures identify targeted therapies for lung cancer

...de of changes in the activity of hundreds of other interacting genes -- either increasing or decreasing their activity. Rather than looking at each of these oncogenes individually, this new method presents a more global view by identifying the pathway encompassing all of the gene mutations that could have caus...

Eavesdropping comes naturally to young song sparrows

...irds songs were learned from tutors they overheard interacting with another sparrow in the second phase of the study. Just 19 percent came from interacting directly with a tutor. The remaining 30 percent of songs were acquired when they were listening to ...

New mouse model closely mimics human cancers

...man DNA and identifying the immensely complicated, interacting molecular changes that initiate and maintain tumors. "We found a rather striking overlap of genetic alterations in the mouse and human cancers, which should greatly help us sort out genetic events that drive cancers from those that are simply irrel...

3M Manchester research center to develop vital new science

...ystems there are generally many of these processes interacting in large complex science networks and these are hard to analyse using mathematical or computer science approaches that currently exist. CICADA aims to attract internationally renowned scientists and create a focus for research activity and training...

Protein interactions targets for Huntington disease therapy

...odegenerative disease. Modulating means that the interacting protein affects the deadly symptoms caused by Huntingtons, he said. Some of the interactive proteins might cause a person to develop the disease later; others could actually make the symptoms appear earlier or to be more severe. When you tinker wit...

Landmark study identifies large number of new proteins implicated in Huntington's disease

...tists showed that changing the expression of these interacting proteins affected the degree of damage seen in the...for HD. Now that researchers have discovered the interacting proteins using human libraries and human protein extracts and tested them in the fly, Hughes says th...

Hamilton College researchers discover molecules with potential to treat breast cancer

...des inhibit breast cancer in mouse and rat models, interacting with an unsolved receptor, while peptides smaller than eight amino acids did not. The Hamilton researchers used advanced computational methods to predict the structure and dynamics of active peptides, leading to discovery of smaller peptides with f...

'Insulator' helps silence genes in dormant herpes virus

...g in this manner, we believed the CTCF protein was interacting with other viral proteins to form a type of insulator in the virus structure," Zhou says. To verify that it was an insulator at work, the researchers then inserted copies of the structure into fruit fly embryos to see if they could block the activ...

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